Hi drift. Welcome to the club that nobody wants to be a member of but everyone is friendly.
From what you've stated, it sounds like your growth rate is rapid. If you can tolerate your symptoms, a 6 month follow up MRI would be useful. This will give you some indication of growth rate. I'd also look for any signs of facial nerve degradation (facial palsy or altered taste). From what I understand, nerve damage that is prolonged is basically permanent.
If I was in your shoes, I would wait for the 6 months MRI, but actively look at what to do if there is rapid growth. That is what I'm doing for a 2.6 cm tumor that is pressing on the brain stem, but I have very little symptoms (mild hearing loss, mild dizziness if I rapidly rotate to one side and altered taste). The symptoms started about three years ago (hearing loss), but I didn't follow up until I realised that the altered taste only affected one side of my tongue - then it became apparent!
In summary, use your time to talk to various doctors (at least one surgeon and one radio surgeon), research the evidence while waiting for the 6 months MRI. If symptoms get worse, this may change the plan. Most importantly, I'm not a doctor and the consensus from several doctors would be more valid.